Outdoor Unit: Malfunction Of Thermistor (R1T) For Outdoor Air - Panasonic Urban Multi MX1R Series Service Manual

Troubleshooting
3.19 Outdoor Unit:
H9 H9 H9 H9
Remote Controller
Display
„ Defect of thermistor (R1T) for outdoor unit outdoor air intake
Supposed Causes
„ Defect of outdoor unit PC board (A1P)
Troubleshooting
The alarm indicator is displayed when the fan is being used also.
174
Malfunction of Thermistor (R1T) for Outdoor Air
Be sure to turn off power switch before connect or disconnect connector,
Caution or parts damage may be occurred.
Connector is
NO
connected to X20A of outdoor
PC board (A1P).
YES
Resistance
is normal when
measured after
NO
disconnecting the thermistor
(R1T) from the outdoor
unit PC board.
(3.5kΩ~
360kΩ)
YES
Troubleshooting Urban Multi "MX1, ME1 Series" Using R-22
PACD011001C2
Connect the thermistor and turn on
again.
Replace the thermistor (R1T).
Replace outdoor unit PC board A1P.
(VF045)